7757351680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20269}}^1$

素因数の和:20326

約数の個数: 144

約数和(自身を含む): 20881667520

約数和(自身を除く): 13124315840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 256, 260, 299, 320, 368, 416, 460, 520, 598, 640, 736, 832, 920, 1040, 1196, 1280, 1472, 1495, 1664, 1840, 2080, 2392, 2944, 2990, 3328, 3680, 4160, 4784, 5888, 5980, 7360, 8320, 9568, 11960, 14720, 16640, 19136, 20269, 23920, 29440, 38272, 40538, 47840, 76544, 81076, 95680, 101345, 162152, 191360, 202690, 263497, 324304, 382720, 405380, 466187, 526994, 648608, 810760, 932374, 1053988, 1297216, 1317485, 1621520, 1864748, 2107976, 2330935, 2594432, 2634970, 3243040, 3729496, 4215952, 4661870, 5188864, 5269940, 6060431, 6486080, 7458992, 8431904, 9323740, 10539880, 12120862, 12972160, 14917984, 16863808, 18647480, 21079760, 24241724, 25944320, 29835968, 30302155, 33727616, 37294960, 42159520, 48483448, 59671936, 60604310, 67455232, 74589920, 84319040, 96966896, 119343872, 121208620, 149179840, 168638080, 193933792, 242417240, 298359680, 337276160, 387867584, 484834480, 596719360, 775735168, 969668960, 1551470336, 1939337920, 3878675840, 7757351680]

約数ペア:

[(1, 7757351680), (2, 3878675840), (4, 1939337920), (5, 1551470336), (8, 969668960), (10, 775735168), (13, 596719360), (16, 484834480), (20, 387867584), (23, 337276160), (26, 298359680), (32, 242417240), (40, 193933792), (46, 168638080), (52, 149179840), (64, 121208620), (65, 119343872), (80, 96966896), (92, 84319040), (104, 74589920), (115, 67455232), (128, 60604310), (130, 59671936), (160, 48483448), (184, 42159520), (208, 37294960), (230, 33727616), (256, 30302155), (260, 29835968), (299, 25944320), (320, 24241724), (368, 21079760), (416, 18647480), (460, 16863808), (520, 14917984), (598, 12972160), (640, 12120862), (736, 10539880), (832, 9323740), (920, 8431904), (1040, 7458992), (1196, 6486080), (1280, 6060431), (1472, 5269940), (1495, 5188864), (1664, 4661870), (1840, 4215952), (2080, 3729496), (2392, 3243040), (2944, 2634970), (2990, 2594432), (3328, 2330935), (3680, 2107976), (4160, 1864748), (4784, 1621520), (5888, 1317485), (5980, 1297216), (7360, 1053988), (8320, 932374), (9568, 810760), (11960, 648608), (14720, 526994), (16640, 466187), (19136, 405380), (20269, 382720), (23920, 324304), (29440, 263497), (38272, 202690), (40538, 191360), (47840, 162152), (76544, 101345), (81076, 95680)]